[maemo-developers] [maemo-developers] GTK2.8 ??

[From: Koen Kooi]

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Gustavo Sverzut Barbieri schreef:
> On 7/20/06, Koen Kooi <koen at dominion.kabel.utwente.nl> wrote:
>>
>> The OLPC has an FPU, the 770 hasn't,
> 
> True
> 
> 
>> so unless cairo grows a complete
>> fixedpoint backend + renderer it will always be ~10 times slower as the
>> good'ol gtk 2.6.x
> 
> False, Cairo itself is all fixed point/integer math, however their API
> expose float point parameters, which are converted to fixed
> internally. Using soft-float here may help, since we'll get no TRAPs
> to kernel do it for us in software. But being fixed point doesn't make
> things fast on its own.

Maemo already uses softfloat and it's still slow.

> Carl (cairo guy) said that he was taking care about API, not the core,
> so he did the whole thing naively, however correctly, and will
> optimize later... since Carlos (nokia) did give him a 770 in order he
> can test it, we may expect something great really soon.

Don't count on it, Carl has had a long history of playing with arm based
machines, even before cairo was started. But we'll see, but I won't have
high hopes, even if I *really* like cairo.

regards,

Koen

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